Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
toan tuan » tran tuan, toan quan, doan tuan
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
van nhanh » van thanh, van hanh, van khanh
nhanh cau » nhanh cay, thanh chau, nhanh ha
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sang)) - tinh toan tuan dang cong van nhanh cau~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sang)) - tinh toan tuan dang cong van nhanh cau*.